"We are absolutely delighted with our new heating installation. Callidus Heating Solutions are splendid and far more economical than we anticipated. we're extremely satisfied with professional service!"

"James and his crew delivered nothing but first-class service from survey to completion of a new boiler, they were prompt, polite, and very efficient, I would have absolutely no hesitation in recommending them to anyone who needs their services, Well done guys and thank you."

"Excellent job, good price I am extremely pleased with the quality of work carried out by this company. Everything was clearly explained to me about how the job was going to be carried out. Highly professional, clean and respected the home privacy."